Home / 860,273.79-1,187,244.32-516,122.67

Finding the Fourth Proportional to 860,273.79, 1,187,244.32 and 516,122.67

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Solution

The fourth proportional to 860,273.79, 1,187,244.32 and 516,122.67 is: 712,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,273.79 : 1,187,244.32 = 516,122.67 : x
  2. Step 2: Convert to fraction form
    860,273.79/1,187,244.32 = 516,122.67/x
  3. Step 3: Cross multiply
    860,273.79x = 1,187,244.32 × 516,122.67
  4. Step 4: Simplify right side
    860,273.79x = 612,763,708,380.73
  5. Step 5: Solve for x
    x = 612,763,708,380.73/860,273.79
  6. Step 6: Final answer
    x = 712,289.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.